Backend Developer
Posted 30 Sep 2026
Advertised as “Backend / AI Developer - Freelancer”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 2+ yrs
- Management level
- Individual contributor
- Employment
- Remote
- Contract
- Freelance
Compensation
No salary listed for this role.
Role speciality
AI AgentsArtificial IntelligenceBackend DevelopmentData Engineering
Useful technologies
Agnoclaude-codeDockerDocker ComposeFastAPILangChainLlamaIndexMCPNext.jsPostgreSQLPythonReact
About the Project
We're building an AI Transformation platform for an enterprise client, focused on back-office process automation and AI-driven decision support. The platform brings together data from multiple business systems and puts AI agents on top of it, so that business teams get actionable insights and automated workflows instead of manual routines.
Requirements
What You'll Do
- Integrate data from multiple business sources (CRM, analytics, BI) into a single, cohesive data layer
- Build and deploy AI agents that execute specific business tasks: signal analysis, pricing, content/SEO, data classification and tagging
- Develop MCP (Model Context Protocol) servers: dedicated, read-only, domain-specific servers that expose data to agents and tools
- Do data engineering work: schema design, ETL and synchronization from external systems, and ensuring data quality and consistency
- Contribute to the agent platform architecture: routing layer, cost control, access policies, and telemetry for LLM calls
- Design and build backend APIs connecting the data layer with agents and front-end applications
- Create user-facing tools for business teams, driven by data and agent-generated insights
- Maintain infrastructure: containerization, database management, monitoring, and observability
- Document architectural decisions and keep strict contracts between system layers
Tech Stack
Python · FastAPI · Agno (agent framework) · MCP · PostgreSQL · Docker / Docker Compose · Next.js
What we are looking for:
- Solid commercial experience (approx. 2 years) in backend development with Python
- Hands-on experience with FastAPI or a comparable modern web framework
- Good knowledge of PostgreSQL: schema design, query writing, and optimization
- Experience building and consuming REST APIs
- Understanding of ETL and data synchronization concepts, and of how to keep data consistent across systems
- Working knowledge of Docker and Docker Compose
- Practical experience with LLMs and prompt writing; interest in building agent-based systems
- Comfort working with agentic AI tools (e.g., Claude Code) in daily development, and the discipline to critically verify their output